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diff --git a/TAO/orbsvcs/orbsvcs/Time/TAO_TIO.h b/TAO/orbsvcs/orbsvcs/Time/TAO_TIO.h
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+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    TAO_TIO.h
+ *
+ *  $Id$
+ *
+ *  This class implements the CosTime::TIO IDL interface.
+ *
+ *
+ *  @author Vishal Kachroo  <vishal@cs.wustl.edu>
+ */
+//=============================================================================
+
+
+#ifndef TAO_TIO_H
+#define TAO_TIO_H
+#include /**/ "ace/pre.h"
+
+#include "orbsvcs/TimeServiceS.h"
+#include "orbsvcs/Time/TAO_UTO.h"
+#include "orbsvcs/Time/time_export.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class TAO_TIO
+ *
+ * @brief Time Interval Object Implementation.
+ *
+ * The TIO represents a time interval and has operations to
+ * compare itself with a UTO or another TIO. It also has an
+ * operation to create a UTO from the value of it's time
+ * interval.
+ */
+class TAO_Time_Export TAO_TIO : public POA_CosTime::TIO
+{
+public:
+  // = Initialization and termination methods.
+  /// Constructor.
+  TAO_TIO (TimeBase::TimeT lower,
+           TimeBase::TimeT upper);
+
+  /// Destructor.
+  ~TAO_TIO (void);
+
+  /// This is the get method for the attribute time interval.
+  virtual TimeBase::IntervalT  time_interval ();
+
+  /**
+   * This operation returns a value of type OverlapType depending on
+   * how the interval in the object and the time range represented by
+   * the parameter UTO overlap.  If OverlapType is not OTNoOverlap,
+   * then the out parameter overlap contains the overlap interval,
+   * otherwise the out parameter contains the gap between the two
+   * intervals.
+   */
+  virtual CosTime::OverlapType spans (CosTime::UTO_ptr time,
+                                      CosTime::TIO_out overlap);
+
+  /**
+   * This operation returns a value of type OverlapType depending on
+   * how the interval in the object and interval in the parameter TIO
+   * overlap. If OverlapType is not OTNoOverlap, then the out
+   * parameter overlap contains the overlap interval, otherwise the
+   * out parameter contains the gap between the two intervals.
+   */
+  virtual CosTime::OverlapType overlaps (CosTime::TIO_ptr interval,
+                                         CosTime::TIO_out overlap);
+
+  /**
+   * Returns a UTO in which the inaccuracy interval is equal to the
+   * time interval in the TIO and time value is the midpoint of the
+   * interval.
+   */
+  virtual CosTime::UTO_ptr time (void);
+
+private:
+  /// This attribute returns an IntervalT structure with the values of
+  /// its fields filled in with the corresponding values from the TIO.
+  TimeBase::IntervalT attr_time_interval;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* TAO_TIO_H */